diff options
Diffstat (limited to 'crypto/wp512.c')
| -rw-r--r-- | crypto/wp512.c | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/crypto/wp512.c b/crypto/wp512.c index feadc13ccae0..bf79fbb2340f 100644 --- a/crypto/wp512.c +++ b/crypto/wp512.c @@ -1066,33 +1066,31 @@ static int wp512_final(struct shash_desc *desc, u8 *out) { struct wp512_ctx *wctx = shash_desc_ctx(desc); int i; - u8 *buffer = wctx->buffer; - u8 *bitLength = wctx->bitLength; - int bufferBits = wctx->bufferBits; - int bufferPos = wctx->bufferPos; + u8 *buffer = wctx->buffer; + u8 *bitLength = wctx->bitLength; + int bufferBits = wctx->bufferBits; + int bufferPos = wctx->bufferPos; __be64 *digest = (__be64 *)out; - buffer[bufferPos] |= 0x80U >> (bufferBits & 7); - bufferPos++; - if (bufferPos > WP512_BLOCK_SIZE - WP512_LENGTHBYTES) { - if (bufferPos < WP512_BLOCK_SIZE) { - memset(&buffer[bufferPos], 0, WP512_BLOCK_SIZE - bufferPos); - } - wp512_process_buffer(wctx); - bufferPos = 0; - } - if (bufferPos < WP512_BLOCK_SIZE - WP512_LENGTHBYTES) { - memset(&buffer[bufferPos], 0, + buffer[bufferPos] |= 0x80U >> (bufferBits & 7); + bufferPos++; + if (bufferPos > WP512_BLOCK_SIZE - WP512_LENGTHBYTES) { + if (bufferPos < WP512_BLOCK_SIZE) + memset(&buffer[bufferPos], 0, WP512_BLOCK_SIZE - bufferPos); + wp512_process_buffer(wctx); + bufferPos = 0; + } + if (bufferPos < WP512_BLOCK_SIZE - WP512_LENGTHBYTES) + memset(&buffer[bufferPos], 0, (WP512_BLOCK_SIZE - WP512_LENGTHBYTES) - bufferPos); - } - bufferPos = WP512_BLOCK_SIZE - WP512_LENGTHBYTES; - memcpy(&buffer[WP512_BLOCK_SIZE - WP512_LENGTHBYTES], + bufferPos = WP512_BLOCK_SIZE - WP512_LENGTHBYTES; + memcpy(&buffer[WP512_BLOCK_SIZE - WP512_LENGTHBYTES], bitLength, WP512_LENGTHBYTES); - wp512_process_buffer(wctx); + wp512_process_buffer(wctx); for (i = 0; i < WP512_DIGEST_SIZE/8; i++) digest[i] = cpu_to_be64(wctx->hash[i]); - wctx->bufferBits = bufferBits; - wctx->bufferPos = bufferPos; + wctx->bufferBits = bufferBits; + wctx->bufferPos = bufferPos; return 0; } |